3x-7=7x+7

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Solution for 3x-7=7x+7 equation:


Simplifying
3x + -7 = 7x + 7

Reorder the terms:
-7 + 3x = 7x + 7

Reorder the terms:
-7 + 3x = 7 + 7x

Solving
-7 + 3x = 7 + 7x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-7x' to each side of the equation.
-7 + 3x + -7x = 7 + 7x + -7x

Combine like terms: 3x + -7x = -4x
-7 + -4x = 7 + 7x + -7x

Combine like terms: 7x + -7x = 0
-7 + -4x = 7 + 0
-7 + -4x = 7

Add '7' to each side of the equation.
-7 + 7 + -4x = 7 + 7

Combine like terms: -7 + 7 = 0
0 + -4x = 7 + 7
-4x = 7 + 7

Combine like terms: 7 + 7 = 14
-4x = 14

Divide each side by '-4'.
x = -3.5

Simplifying
x = -3.5

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